Question: What operating system component starts with the letter "f"?
Paraphrase: What working framework component begins with the letter "f"?
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q30059018 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'f')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: file system, file system, FreeBSD jail, FreeBSD jail, fastboot, fastboot